

var block_array = [];

$(function(){
	
	$('#btnTest').on('click', function(){
		var arrA = [];
		arrA.push('a01');
		arrA.push('a02');
		arrA.push('a03');
		block_array.push( arrA );
		var arrB = [];
		arrB.push('B01');
		block_array.push( arrB );
		var _arrA = block_array[block_array.length-2];
		_arrA.push("a04");
		var _arrB = block_array[block_array.length-1];
		_arrB.push('B02');
		block_array.push( ['C01','C02'] );
		_arrA.push('a05');
		_arrB.push('B03');
		_arrB.push('B04');
		console.log( JSON.stringify(block_array) );
		console.log( block_array );
	});
	
});

